JHG Contractors, Inc.
Frederick, MD 21704
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Our Story
JHG Contractors is experienced in handling all phases of complete site development and utilities including:
All phases of Grading
SWM (Storm water managment)
Water
Sewer
Storm drain installation
Clearing & Demolition
Sediment control
Snow removal
Commercial Experience
Misc Project
Airport Runway
Apartments & Condominiums
Arena / Stadium
Assisted Living
Athletic Field
Auto Dealership / Service
Bank
Bridge
Casinos
Church / Synagogue
City / Town Hall
Civil & Site Development
Court House
Dams & Levies
Data Centers - Mission Critical
Design Build
Education (K-12)
Fitness Center
Gas Station
Golf Course
Government
Grocery Stores
Hospital / Nursing Home
Hotel / Motel
House
Jail / Prison
Library
Medical Office
Military
Museum
Non-Building Construction
Non-Residential Building
Office Building
Park / Playground
Parking Garage
Parking Lots
Post Office
Power Generation & Distribution
Pre-Manufactured Structures
Residential Building
Restaurant
Retail Store
Road / Highway
School / College / University
Secure and Shielded Facilities
Sewage / Water Treatment Plant
Single Family Residential
Storage Facility / Warehouse
Swimming Pool
Tennis Court
Terminal - Airport / Bus / Railroad
Theater
Theme Park
Tract Housing
Tunnel
Utilities
Regions & Counties Serviced
- Washington D.C.
Maryland 5
- Carroll
- Frederick
- Howard
- Montgomery
- Washington
Our CSI Codes
01 57 13 - Temporary Erosion and Sediment Control
01 57 23 - Temporary Storm Water Pollution Control
01 89 13 - Site Preparation Performance Requirements
01 89 16 - Site Improvements Performance Requirements
01 89 19 - Site Plumbing Utilities Performance Requirements
01 89 23 - Site HVAC Utilities Performance Requirements
01 89 26 - Site Electrical Utilities Performance Requirements
01 89 29 - Other Site Construction Performance Requirements
01 94 13 - Facility Decommissioning Procedures
02 05 19 - Geosynthetics for Existing Conditions
02 05 19.13 - Geotextiles for Existing Conditions
02 05 19.16 - Geomembranes for Existing Conditions
02 05 19.19 - Geogrids for Existing Conditions
02 32 19 - Exploratory Excavations
02 40 00.00.01 - Demolition and Structure Moving
02 41 13 - Selective Site Demolition
02 41 13.23 - Utility Line Removal
02 41 16 - Structure Demolition
02 41 16.13 - Building Demolition
02 41 16.23 - Tower Demolition
02 41 16.33 - Bridge Demolition
02 41 16.43 - Dam Demolition
02 41 19 - Selective Structure Demolition
02 41 19.13 - Selective Building Demolition
02 41 91 - Selective Historic Demolition
02 42 91 - Removal and Salvage of Historic Construction Materials
02 58 13 - Snow Fencing
02 58 16 - Snow Avalanche Control
23 22 13.13 - Underground Steam and Condensate Heating Piping
26 05 43 - Underground Ducts and Raceways for Electrical Systems
31 01 10 - Maintenance of Clearing
31 01 20 - Maintenance of Earth Moving
31 01 50 - Maintenance of Excavation Support and Protection
31 05 19 - Geosynthetics for Earthwork
31 05 19.13 - Geotextiles for Earthwork
31 05 19.16 - Geomembranes for Earthwork
31 05 19.19 - Geogrids for Earthwork
31 06 10 - Schedules for Clearing
31 06 20 - Schedules for Earth Moving
31 06 20.13 - Trench Dimension Schedule
31 10 00.00.01 - Site Clearing
31 11 00.00.01 - Clearing and Grubbing
31 12 00.00.01 - Selective Clearing
31 14 13 - Soil Stripping and Stockpiling
31 14 13.13 - Soil Stripping
31 14 13.16 - Soil Stockpiling
31 14 13.23 - Topsoil Stripping and Stockpiling
31 14 16 - Sod Stripping and Stockpiling
31 14 16.13 - Sod Stripping
31 14 16.16 - Sod Stockpiling
31 20 00.00.01 - Earth Moving
31 21 16.13 - Methane Venting
31 22 13 - Rough Grading
31 22 16 - Fine Grading
31 22 19 - Finish Grading
31 22 19.13 - Spreading and Grading Topsoil
31 23 13 - Subgrade Preparation
31 23 16 - Excavation
31 23 16.13 - Trenching
31 23 16.16 - Structural Excavation for Minor Structures
31 23 16.26 - Rock Removal
31 23 33 - Trenching and Backfilling
31 25 13 - Erosion Controls
31 25 23 - Rock Barriers
31 25 53 - Sedimentation Controls
31 25 63 - Rock Basins
31 30 00.00.01 - Earthwork Methods
31 31 19 - Vegetation Control
31 31 19.13 - Chemical Vegetation Control
31 32 19.19 - Geogrid Layer Separation
31 32 19.23 - Geotextile Layer Separation
31 34 19 - Geosynthetic Soil Reinforcement
31 34 19.13 - Geogrid Soil Reinforcement
31 34 19.16 - Geotextile Soil Reinforcement
31 34 23 - Fiber Soil Reinforcement
31 34 23.13 - Geosynthetic Fiber Soil Reinforcement
31 35 23.19 - Concrete Unit Masonry Slope Paving
31 37 13 - Machined Riprap
31 37 16 - Non-Machined Riprap
31 37 16.16 - Concrete Unit Masonry Riprap
31 37 16.19 - Sacked Sand-Cement Riprap
32 01 30 - Operation and Maintenance of Site Improvements
32 06 30 - Schedules for Site Improvements
32 30 00.00.01 - Site Improvements
32 71 00.00.01 - Constructed Wetlands
32 72 00.00.01 - Wetlands Restoration
32 91 13.13 - Hydro-Punching
32 91 13.16 - Mulching
32 91 13.23 - Structural Soil Mixing
32 92 13 - Hydro-Mulching
32 92 19 - Seeding
32 92 19.13 - Mechanical Seeding
32 92 19.16 - Hydraulic Seeding
32 92 23 - Sodding
32 92 26 - Sprigging
32 92 26.13 - Stolonizing
33 01 60 - Operation and Maintenance of Hydronic and Steam Energy Utilities
33 01 70 - Operation and Maintenance of Electrical Utilities
33 01 80 - Operation and Maintenance of Communications Utilities
33 06 10 - Schedules for Water Utilities
33 06 40 - Schedules for Storm Drainage Utilities
33 06 40.13 - Storm Drainage Schedule
33 06 60 - Schedules for Hydronic and Steam Energy Utilities
33 06 70 - Schedules for Electrical Utilities
33 09 40 - Instrumentation and Control for Storm Drainage Utilities
33 09 60 - Instrumentation and Control for Hydronic and Steam Energy Utilities
33 09 70 - Instrumentation and Control for Electrical Utilities
33 11 16 - Site Water Utility Distribution Piping
33 29 00.00.01 - Well Abandonment
33 33 13 - Sanitary Utility Sewerage
33 33 16 - Combined Utility Sewerage
33 34 13 - Sanitary Utility Sewerage Inverted Siphons
33 41 13 - Public Storm Utility Drainage Piping
33 44 19 - Utility Storm Water Treatment
33 44 19.13 - In-Line Utility Storm Water Filters
33 44 19.16 - Catch Basin Insert Utility Storm Water Filters
33 44 19.19 - Utility Oil and Gas Separators
33 46 19.16 - Geocomposite Underslab Drainage
33 46 23.19 - Geosynthetic Drainage Layers
33 46 26 - Geotextile Subsurface Drainage Filtration
33 46 33 - Retaining Wall Drainage
33 47 16.13 - Pond Covers
33 47 16.53 - Reservoir Covers
33 47 19.13 - Water Distribution Ponds
33 47 19.16 - Water Retainage Reservoirs
33 47 19.23 - Cooling Water Ponds
33 47 19.33 - Fire-Protection Water Ponds
33 47 23 - Sanitary Sewerage Lagoons
33 47 26 - Storm Drainage Ponds and Reservoirs
33 47 26.13 - Stabilization Ponds
33 47 26.16 - Retention Basins
33 47 26.19 - Leaching Pits
33 50 00.00.01 - Fuel Distribution Utilities
33 51 13 - Natural-Gas Piping
33 60 00.00.01 - Hydronic and Steam Energy Utilities
33 61 13 - Underground Hydronic Energy Distribution
33 61 23 - Aboveground Hydronic Energy Distribution
33 63 13 - Underground Steam and Condensate Distribution Piping
33 70 00.00.01 - Electrical Utilities
33 71 19 - Electrical Underground Ducts and Manholes
33 71 39.23 - Underground High-Voltage Wiring
33 71 49.23 - Underground Medium-Voltage Wiring
33 79 19 - Utilities Grounding
33 79 19.13 - Electrical Utilities Grounding
33 79 19.16 - Communications Utilities Grounding
34 82 19 - Bridge Pier Protection
35 31 29.40 - Stone Groins
35 41 16 - Levee Cutoff Trenches
35 42 29 - Grout-Bag Bank Protection
35 42 34 - Soil Reinforcement Bank Protection
35 43 29 - Grout-Bag Scour Protection
35 43 34 - Soil Reinforcement Scour Protection
35 73 13 - Earth Embankment Dam
40 23 36 - Sanitary Water Process Piping
